The hottest month in Costa Blanca is August when the average maximum temperature is 30°, average temperature is 26° and average minimum temperature is 22°.
The coolest month in Costa Blanca is January when the average maximum temperature is 16°, average temperature is 11° and average minimum temperature is 6°.
The longest days in Costa Blanca are in June, with an average of 14.9 hours of daylight per day. December has the shortest days with an average of 9.4 hours of daylight per day.
The sunniest days in Costa Blanca are in July which has the most hours of sunshine per day with an average of 11.6 hours of sunshine per day, making it a very sunny and pleasant month with long bright days. December has the least sunshine with an average of 5.1 hours of sunshine per day, making it a sunny month that is overcast at times.
The ultraviolet index is the highest in July when it reaches 10.1 and lowest in December when it reaches 1.8.
An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The warmest sea water temperatures in Costa Blanca are found in August when they peak at 26° and lowest in March when they dip to 14°.
The sea is best for swimming between June and December when the temperature is above 19° which is cool for swimming, shorty wetsuit may help you extend your time in the water.
The wettest month in Costa Blanca is November with 0.6cm of rain and April has the most days of rain with 7.3 days with some rain, a dry time to visit the beach.
The driest month in Costa Blanca is July with 0cm of rain and the least days of rain with 1.7 days with some rain, an extremely dry time to visit the beach.
The most humid month in Costa Blanca is August with a dew point (an indicator of humidity) of 21° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.
The least humid month in Costa Blanca is February with a dew point of 7° which is a bit dry for some.
The most windy month in Costa Blanca is March when the average maximum windspeed is 26kmh and the average wind speed is 12kmh.
The least windy month in Costa Blanca is October when the average maximum windspeed is 20kmh and the average wind speed is 8kmh.